painstaking
adj
done with, requiring or taking great care or trouble 极小心的; 辛勤的; 辛苦的
a painstaking job, investigation 艰苦的工作、 调查
painstaking accuracy 高度的精确性
a painstaking student, worker, etc 勤奋的学生、 工人等.
It doesn't matter. Let's wait until the next time.
没关系。下次还有机会。
In college I majored in philosophy, What was your major?
大学时我主修哲学,你主修什么呢?
As far as I could see, it needed only a minor adjustment: a turn of a screw here, a little tightening up there, a drop of oil and it would be as good as new.