1. last things sb wants to do 某人最不想做的事情

2. call out to 召唤；向某人大叫

eg I'm about to call out to them. They run away.

我想要呼唤他们，他们却恰好跑开了。

3. grin at 对…露齿而笑，咧嘴而笑

eg "I have plenty of time to exercise, but I'm too lazy, " he said with a sheepish grin at a Japanese fast food joint.

“我有充足的时间锻炼，但是我太懒了，”他说这话时在一家日本快餐连锁店，脸上露出羞愧的笑容。