基本上他是个好人,只是他并不常常表现出来。 Basically, he's a nice person, but he doesn't always show it.
现在,考试基本上仍然是教师判断学生是否合格而借以使用的唯一办法。 At present examination is basically the only measure that teacher can go by to determine whether a student is qualified or not.
他们基本上同意了那项提议,但我们仍须商定条件。 They have agreed to the proposal in principle but we still have to negotiate the terms.
我基本上同意你的建议,但是有几个小问题有待商榷。 Basically I agree with your proposals, but there are a few small points I'd like to discuss.