重点讲解:
1. be better off doing sth. (用于建议)不如,最好;
If you've got bags you're better off taking a taxi.
你要是大包小包的,不如打的算了 。
2. at first 最初;起初;开始时;
At first, he seemed surprised by my questions.
起初,他似乎对我的问题感到惊讶 。
3. little by little 逐渐地;一点一点地;
In the beginning he had felt well, but little by little he was becoming weaker.
一开始他感觉很好,但慢慢地就变虚弱了 。
4. be content to do sth. 愿意;
I was content to wait.
我愿意等候 。
adj. 经常的,不变的
n. 常数,恒量