1.sidle ['saidl] v. (偷偷地)侧身而行

If you sit at the back you can sidle out without anyone seeing you leave.
假如你坐在后面你可以溜出去而没人看见。

2.squat n. 蹲 adj. 蹲著的, 矮胖胖的 v. 蹲下, 坐

The old man squatted down by the fire.
老人蹲在炉火旁。

3.pretense [pri'tens] n. 藉口, 虚假, 伪装

It is merely a pretense.
这只是托词而已。

4.furrow n. 犁沟, 皱纹 v. 犁, 耕, （使）起皱纹

A deep furrow or ditch.
深沟一条深的沟或犁沟