1.rather than 而不是
例句:However, for many Americans today, weekend work has unfortunately become the rule rather than the exception.
然而,现在对于很多美国人来说,周末工作不幸已经成为了一种普遍情况,而非例外 。
2.hold up 耽搁;阻延
例句:Continuing violence could hold up progress towards reform.
持续的暴力活动可能会阻延改革的进程 。