He could discern a dresser with a fair level of certainty, as well as a spare chair.
他能够分辨出一个梳妆台，还有一把备用的椅子。
When I was in college, I spent some of my spare time working as a math tutor for people in the lower-level mathematics classes.
在大学时，我利用课余时间为数学较差的学生补习。
The part-time job will certainly distract me at some level, I need to spare some time to do it.
兼职当然会在一定程度上分散我的注意力，我需要花一些时间去做。
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