at best + N

结构︰at best＋名词

说明︰此句型意为“充其量…；只不过是…”。等于“nothing but …”。

don’t expect much of him; he is at best a student.
不要对他期望过高；他只不过是个学生。
She is at best a second-rate singer.
她充其量是个二流歌手。
don’t scold him too much; he is at best a child.
不要太责骂他；他只不过是个孩子。