| 1. | Helen frowned and thought hard .
海伦颦眉苦苦思索。 |
| 2. | Think hard about security ; it is hard
要对安全性进行认真的考虑；这是很难的。 |
| 3. | So you think hard and long about all the possible
的所有可能的返回值，然后为 |
| 4. | Think hard . the numbers are in the back of your mind
仔细想想数字就在你们思想的后面 |
| 5. | Victor : think hard . i can pay you well
维克多：仔细想想。我可以付高价。 |
| 6. | He knits his brows when he is thinking hard
他在苦思苦想时就皱起眉头。 |
| 7. | You better think hard on your future , boy
你得好好考虑自己的前途，孩子 |
| 8. | Think hard . - i told you , i don ' t know
-再想一下-我告诉你，我不知道 |
| 9. | - think hard . - she used to like me
-努力想-她过去喜欢过我 |
| 10. | Think hard . - she used to like me
努力想-她过去喜欢过我 |
