sour

酸的

These green apples are too sour for my taste.

這些青蘋果對我來說太酸了。

餿掉的、酸臭的、變質的

The milk had gone sour in the warm kitchen.

牛奶在溫熱的廚房裡已經餿掉了。

慍怒的、不悅的、臭臉的

She gave me a sour look and walked away.

她對我擺了張臭臉就走開了。

惡化的、不順的常與 go、turn 連用

Their business partnership turned sour after two years.

他們的商業合作關係兩年後就變質了。

使惡化、變壞、破壞

The scandal soured relations between the two countries.

這樁醜聞使兩國關係惡化。