1. Because it was embarrassing to fail every time, he stopped checking the man when he crossed.
    一次次检查都找不出什么，这挺令人尴尬的，他也就不再在那司机过境时检查了。

2. However, most people with low iron reserves don't know they have a deficiency, because traditional methods of calculating the amount of iron in blood (by checking levels of the blood protein that transports oxygen) are not sufficient, Beard states.
    然而，比尔德指出，大多数铁离子储量低的人并未意识到自己缺铁，因为传统的检测血液中铁离子储量的方法——只检验血液中输送氧气的血蛋白的含量——是不够的。

3. You must make a minimum deposit of &50 to open a checking account.
    你最少必须存五十元才能开活期存款户头.

4. Obviously he was checking.
    显然，他是想核实我说的话。

5. I had seen her expression when she opened the door, her forced smile as she surveyed him from head to toe, checking her judgment of him against that already given to her by Auntie Suyuan.
    我曾注意到她开门时的脸部表情, 以及她从头到脚地打量他，以亲自验证素媛阿姨已经给她讲过的对里奇的评价时露出来的不自然的笑容。

6. I chose "Low Cost Movers", checking to make sure they had a permit and were insured（保险）.
    我选了"廉价搬家公司"，还仔仔细细地查看了一番，为的是要弄清楚他们是确有执照并保了险的。