第六组
at length 终于，最后;详细地
in the light of 按照，根据
in line 成一直线，排成一行
in line with 与……一致，按照
at a loss 困惑，不知所措
by all means 无论如何，必定
by means of 借助于，用
by no means 决不
in memory of 纪念
at the mercy of 在……支配下
by mistake 错误地
at the moment 现在，此刻
for a moment 片刻，一会儿
for the moment 现在，暂时
in a moment 立刻，马上
