也可以用另一个词Frankly
示例
A：Why you broke up with her?
B：Honestly，I cannot bear her bad temper any more.
A：你为什么和她分手啊？
B：老实说，我受不了她的坏脾气了。
A：Tell the truth, please.
B：Honestly, I saw him yesterday in the supermarket.
A：请说实话。
B：实不相瞒，我昨天在超市看到他的。