A half-hearted action is one you do without putting your heart into it. You go through the moves, but you do not care much how it turns out.

A half-hearted action半心半意的行動 is one you do without putting your heart into it指的是你做的時候沒有真正投入心思的那種。You你 go through the moves會做出該做的動作, but但 you do not care much但不太在乎 how it turns out結果會怎樣

A half-hearted smile is thin. A half-hearted apology does not really mean sorry. A half-hearted try is weak, from boredom or from not wanting to be there.

A half-hearted smile半心半意的微笑 is thin是淡淡的、勉強的。A half-hearted apology半心半意的道歉 does not really mean sorry其實不是真心覺得抱歉。A half-hearted try半心半意的嘗試 is weak是無力的, from boredom or from not wanting to be there因為覺得無聊，或不想待在那裡

The word is a little critical: you are saying the person could have tried. Though actually, people also use it when someone is tired or unsure, not only when they are lazy.

The word這個詞 is a little critical帶點批評的意味: you你 are saying the person could have tried意思是在說這個人其實可以更努力。Though actually不過實際上, people大家 also use it也會用這個字 when someone is tired or unsure在某人是累了或猶豫不決的時候, not only when they are lazy不是只有懶惰的時候才用

It usually describes an action, an effort, or support — a half-hearted cheer, half-hearted support — more naturally than a person as a whole.

It它 usually通常 describes an action, an effort, or support是用來形容一個動作、努力，或支持 — a half-hearted cheer, half-hearted support像是半心半意的歡呼、半心半意的支持 — more naturally than a person as a whole比直接形容一整個人自然得多

The opposite feeling is wholehearted: all in, fully meant.

The opposite feeling相反的感覺 is wholehearted是全心全意: all in, fully meant整個人都投入、完全真心