形容詞 loath:

1. unwillingness to do something contrary to your custom
   同義詞：loth, reluctant
2. (usually followed by `to') strongly opposed
   同義詞：antipathetic, antipathetical, averse, indisposed, loth

1. He is loath to get out of bed on cold morning.
   在寒冷的早晨他討厭起床。
2. He was loath to surrender his sweetheart to his wife; yet how refuse so trifling a present as a heifer?
   他實在不想將情人交給自己的老婆; 但是他又怎好拒絕象一頭母牛這樣的區(qū)區(qū)小意思呢？
3. I was loath to go with him.
   我不愿和他一起去。
4. He seemed somewhat loath to depart.
   他似乎不愿離去。

loath 也作 loth

adj.（形容詞）
Unwilling or reluctant; disinclined:
討厭：不愿意或不情愿；不想的：
例句：
I am loath to go on such short notice.
我不愿這么急急忙忙就走

來源：
Middle English loth [displeasing, loath]
中古英語 loth [令人不快的，討厭的]
from Old English l3th [hateful, loathsome]
源自 古英語 l3th [厭惡的，可厭的]