[tóu jī]
(利用時(shí)機(jī)謀取私利) speculate; seize a chance to seek private gain; be opportunistic
join the revolution in order to seek personal gains
投機(jī)革命
(見(jiàn)解相同) congenial; agreeable
talk very congenially; have a most agreeable chat
談得很投機(jī)
If two people have nothing in common, exchanging a few words can be difficult.
話(huà)不投機(jī)半句多。