| A | B |
| 一...... 就...... | as long as...... or as soon as...... |
| 他一考试就怕。 | As soon as he starts the test, he is afraid of it. |
| 他一怕就考不好。 | As long as he is afraid of it, he doesn't do well on the test. |
| 对...... 感兴趣 | being interested in ...... |
| 我对数学不感兴趣。 | I'm not interested in Math. |
| 弟弟对音乐非常感兴趣。 | Younger brother is extremely interested in music. |
| 了 | particle for past tense or present (past) perfect tense. |
| 他教书教了三十年了。 | He has been teaching for thirty years. |
| 他们考试考了三个小时了。 | They has been taking exam for three hours. |
| 到 | till; arrive |
| 到今天他还不认识 “你好“这两个字。 | Till today, he still don't know the two characters for "hello." |
| 他每天工作到晚上十二点。 | Everyday, he works till twelve o'clock at night. |