図星 (zuboshi) is an advanced Japanese word that means “exactly right” or “admittedly true”. It is used when you hit the nail on the head about someone, especially when you make an accurate statement about someone which makes them very upset because it is so true and undeniable.Read Definition

While 替え玉 (かえだま, kaedama) usually means “a second helping of ramen noodles”, it also has another unique meaning which is completely irrelevant to it: that is, “do something while pretending to be someone else”.  The most common phrase is “替え玉受験 (かえだま じゅけん, kaedama juken)”, which means “to take exams on behalf of someone else”.Read Definition

本末転倒 (ほんまつ てんとう, honmatsu tentou) is a famous 四字熟語 (four kanji expression) that describes the situation when primary objectives are sidelined by secondary objectives.Read Definition