⇒ 断交3年后,两国又重建外交关系。 (Duànjiāo sān nián hòu, liǎng guó yòu chóng jiàn wàijiāo guānxì.) Three years after severing diplomatic relations, the two countries re-establishedtheir ties.
(指朋友) fall out (pt fell) (pp fallen)
⇒ 两人多年前就已断交了。 (Liǎng rén duō nián qián jiù yǐ duànjiāo le.) The two friends fell out years ago.