It sounds like you're experiencing a challenge with something specific, but I need a bit more detail

在英语中，"have no problem doing sth"这个短语的动词形式总是以"doing"（动名词）出现，而不会因为主语的人称或单复数变化加"s"。这是因为"doing"在这里并非谓语动词

以下是使用 "have problems to do sth" 的例句（注意：更自然的表达是 "have problems doing sth"，但根据你的要求造句如下）：
1. I have pr

以下是使用 "have problems to do sth" 的例句（注意：更自然的表达是 "have problems doing sth"，但根据你的要求造句如下）：
1. I have pr

The phrase "target something at" means to direct or aim something (an action, message, product, etc.

The phrase "target something at" means to direct or aim something (an action, message, product, etc.