1) Tacit permission to each other-marry no man But him and vice versa
两心相许
4) solid-liquid two-phase centrifugal pump
固液两相离心泵
5) The two hearts are worrying about each other.
两个心儿互相牵
6) When two people are really in love,
两人真心相爱时，
补充资料：两心
1.异心;二心。 2.彼此之心;双方的思想。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条