He speaks French and English with equal ease.

他說法語和英語都一樣自如。

She is timid and completely at a loss what to do.

她羞臊得不知所措。

OK, everyone. Less noise, please! Gather round and listen carefully. First we are going to search the beach and the rock pools. Let me remind you what we are looking for: seaweeds, fish, plants, all living things. When you find anything, make a note where

00在這里集合，游泳之后再吃午餐。別著急！我們有足夠的時間。