Glad, let down, worried
Your own emotional reactions to news, to what's coming and to being noticed: glad, disappointed, looking forward, scared, worried, embarrassed.
ureshii
polite ureshii desuglad, happy
うれしい うれしいです
Says you are glad about something specific (a gift, news, a compliment), either as 'ureshii!' or as -te ureshii; it describes your own feeling, not a general state of happiness.
sore wa ureshii
That makes me happy.
それはうれしい
sore wa ureshii desu
I'm glad to hear that.
それはうれしいです
'Happy in life' is shiawase; ureshii is for one good thing that happened. About someone else, say ureshisou (looks happy).
Learn alongside: zannen
zannen
polite zannen desutoo bad, disappointing
残念 ざんねん 残念です
The reaction to disappointing news, a cancellation or a missed chance ('zannen!', 'sore wa zannen'), and the base of -te zannen (it's a shame that ...: aenakute zannen = shame we couldn't meet).
sore wa zannen
That's a shame.
それは残念
sore wa zannen desu ne
That's a shame.
それは残念ですね
Use it for let-downs; for real hardship the sympathy line is taihen da ne. It is not an apology: for 'I'm sorry' use gomen or sumimasen.
Learn alongside: ureshii
kowai
polite kowai desuscary, scared
怖い こわい 怖いです
Says something is scary or that you are scared (films, heights, people, the future); about a strict person it means 'intimidating'.
shiken no kekka, kowai
I'm scared to see my exam results.
試験の結果、怖い
shiken no kekka ga kowai desu
I'm scared to see my exam results.
試験の結果が怖いです
The same word covers 'scary' (the thing) and 'scared' (you); context decides.
Learn alongside: shinpai
shinpai
polite shinpai desuworried, worrying
心配 しんぱい 心配です
Says you are worried about someone or something (X ga shinpai), and shinpai shinaide means 'don't worry'; it is na-class even though it ends in -ai.
shiken no kekka, shinpai
I'm worried about my exam results.
試験の結果、心配
shiken no kekka ga shinpai desu
I'm worried about my exam results.
試験の結果が心配です
Also a verb, shinpai suru; the form you'll use most is shinpai shinaide (don't worry).
Learn alongside: kowai
tanoshimi
polite tanoshimi desulooking forward to it
楽しみ たのしみ 楽しみです
Says you're looking forward to something coming up, as a one-word reply to any plan (tanoshimi!) or X ga tanoshimi; it is a noun, so it takes da / desu, and tanoshimi ni shiteru is the fuller 'I'm looking forward to it'.
ryokou, tanoshimi da ne
Can't wait for the trip!
旅行、楽しみだね
ryokou, tanoshimi desu ne
I'm looking forward to the trip.
旅行、楽しみですね
Politely, tanoshimi ni shitemasu is the set phrase for 'I'm looking forward to it'.
Learn first: tanoshii
hazukashii
polite hazukashii desuembarrassed, embarrassing, shy
恥ずかしい はずかしい 恥ずかしいです
Says you feel embarrassed or shy, or that something is embarrassing: after a mistake, at a compliment or when being watched ('hazukashii!', hazukashii kara yamete = stop, it's embarrassing).
chotto hazukashii na
I'm a bit embarrassed.
ちょっと恥ずかしいな
chotto hazukashii desu
I'm a little embarrassed.
ちょっと恥ずかしいです
About someone else or what they did, it is a criticism ('embarrassing, shameful'). For how someone else feels, say hazukashisou (looks embarrassed).
Learn first: muzukashii