live on 以…为主食,靠…为生 I had to live on bread and water when I was a student. 我上大学时只能靠粗茶淡饭过活。 The Irish used to live on a diet of potatoes. 爱尔兰人过去用马铃薯作为主食。 You can't live on bread alone. 你不能仅靠面包维生。 How can he manage to live on that pension? 依靠那点养老金他怎样生活呢? He lost his job and lived on credit. 他失去了工作,靠借贷过日子。 I can't live on air! 我总不能靠喝西北风过日子!