| 1. | Crack propagation usually begins slowly . 裂纹的增长常常是开始缓慢。 |
| 2. | They say that she is a hard nut to crack . 据说她是一个难驯服的女人。 |
| 3. | He asked me to crack a bottle with him . 他请我同他痛痛快快地喝几杯。 |
| 4. | Police are cracking down on drug dealers . 警方现对贩毒分子严惩不贷。 |
| 5. | The suspect cracked under questioning . 嫌疑分子在审问之下招供了。 |
| 6. | There's a crack on the underneath of the bowl . 碗底下有一条裂痕。 |
| 7. | Boiling water cracked a cup across the bottom . 开水使杯底绷裂了。 |
| 8. | I told you, everything's cracking up . 我告诉你,一切都在颓废中。 |
| 9. | I must fill that crack in the wall . 我得把墙上的那条裂缝填补好。 |
| 10. | The ground was full of cracks in the summer .. 夏天地上都是裂痕。 |