一般用法：
make yourself understood 把自己的'意思說清楚
give sb to believe/understand (that)… 使某人相信；使某人作…理解
例句：
1、 I think you heard and also understand me
我想你聽到了我的話，也明白我的意思。
2、The news is better, so I understand.
我聽說有較好的消息了。
3、I couldn't understand a single word she said!
她講的東西我一個(gè)字都聽不懂！