(idiomatic) to be vulnerable / (sumo) poor at preventing one's opponent from getting an underarm grip

plant of genus Nardostachys / spikenard, the plant Nardostachys jatamansi

(idiomatic) tears (drops from the eyes)

(informal) "not knowing even a millimeter": completely ignorant in regards to something

crēdō ut intelligam

to line one's pockets; to reap without sowing

overly optimistic; easygoing; irresponsible; naive; simple-minded

(literally) know the other side and yourself, a hundred battles will not be perilous

(idiomatic, proverb) be quick on the uptake, understand the whole situation from just a few clues

(figuratively) a narrow world view based on limited experience