guess是什么意思

例句：

1、 I guess you'll be looking for a new job now.

我想你现在要找新工作了吧。

2、Guess who I saw at the party last night!

你猜猜，昨天我在晚会上碰见谁了！

3、There were about 20 people there, at a rough guess.

那里约计有20人。

4、Would you like to hazard a guess?

你想猜猜看吗？