Theftuous
a. 有偷窃习惯的, 象窃贼的, 偷偷摸摸的
🗣️ 情景例句
Please do the work at your own convenience.
请在方便时把这事做一做。
How long have you been studying English?
你学英语多久了？
Oh, that's not necessary.
啊，不必这样。