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突っ込む， 突っこむ， 突込む， つっこむ， ツッコむ
1. to thrust (something) into (something), to cram, to stuff, to shove
2. to plunge into, to charge into, to rush into, to ram into, to crash into
3. to delve into (a matter), to go into depth, to get to the heart (of something)
4. to press (someone)...
冲入，撞入；将（某物）塞入（某物），硬塞，塞满，猛推；深入探究（某事），深入研究，触及核心（某事）
に
1. at (place, time), in, on, during
2. to (direction, state), toward, into
3. for (purpose)
4. because of (reason), for, with
5. by, from
6. as (i.e. in the role of)
7. per, in, for, a (e.g. "once a month")
8. and, in addition to
9. if, although
tbd