1. 狡猾的;狡诈的;不老实的
If you describe someone or something as dodgy, you disapprove of them because they seem rather dishonest and unreliable.

2. 冒险的;危险的;不可靠的
If you say that something is dodgy, you mean that it seems rather risky, dangerous, or unreliable.

3. 不太健康的;不太强壮的
If you say that someone has a dodgy heart or knee, for example, you mean that that part of their body is not very strong or healthy.