I tried to carry on a conversation in English, but it far exceeded my ability.

我想用英语来谈话，但是力不从心。

《新英汉大辞典》

When I can't think of a word during a conversation in English, I use gestures.

与人英语对话，有一个字忘了怎么说时，以动作来表达。

youdao

She started talking to me and teaching me some things and from what I made out from the conversation was that she had a son and she wanted me to maybe teach her son English, but I wasn't quite sure.

从懂得有限的对话中，得知她有一个儿子，希望或许教她儿子英文，我不太肯定。

youdao

After the conversation, I tried to imagine what it would be like to teach English to ninety-four middle-school kids in a remote Yangtze village.

NPR: An Outstanding Name for an Outstanding Student