Do duty for...
当...用
🧩 词语组成解析
do
[du]
aux. 构成疑问句和否定句;代替动词;用于加强语气;
vt. 做;干;进行;从事;
vi. 表现;进展;引起;行过;
n. 社交聚会;社交活动;宴会;
🗣️ 情景例句
and we have Popo the Clown to entertain you.
我们请了小丑Popo来给大家表演助兴。
Mercy to the eriminal may be eruelty to the people.
对罪犯的仁慈，就是对人民的残忍。
It would help if you could try to speak a little slower.
请你尽量放慢说话速度。