to arrive unexpectedly at a place
意外地到达某地 (yì wài de dào dá mǒu dì)
"He turned up at my office without any notice."
"他没有提前通知就出现在我的办公室。" (tā méiyǒu tíqián tōngzhī jiù chūxiàn zài wǒ de bàngōngshì)
to rain very heavily
to confirm information or ask for approval from someone
to establish an honest and transparent exchange of thoughts...
to increase the amount of goods sold abroad
to make a system or machine operational or connected to a ne...
to separate from a group; to become independent