Did you mean: changxian shangjian shengxian shangqian shangxiang shangxin shanxian shangmian ?
上限 | shàng xiàn | upper bound |
上线 | shàng xiàn | to go online / to put sth online |
上弦 | shàng xián | to wind up a watch, clockwork toy etc / to tighten the string of a bow, violin etc / first quarter (phase of the moon) |