take a turn for the worse

含义

to suddenly get more serious or unpleasant, often in illness

突然恶化，常指病情.

例句

1. 1Grandpa was recovering well, but last night he took a turn for the worse.
2. 2The weather took a turn for the worse just as we reached the top of the hill.
3. 3The doctors were hopeful on Monday, but by Wednesday her condition had taken a turn for the worse.
4. 4Our holiday took a turn for the worse when the airline lost both our suitcases.
5. 5If his breathing takes a turn for the worse, call an ambulance straight away.

语法

只有 take 变化形式：took、taken。反义表达为 take a turn for the better。

意思相近