哪怕: even; even if;even though;no matter how:哪怕失败, 我也要试一下。 i will have a try even though i should fail. 哪怕是再大的困难我们也能克服。 however great the difficulties may be, we can overcome them
会儿: [口语] moment 短语和例子一会儿 a little while; 等会儿。 wait a moment. 一会儿就回来。 i won't be long