 [kubi-wo-tsukkomu]Literal translation:Stick one’s head intoMeaning:Stick (poke) one’s nose into, interfere, meddle inExample:誰かがいじめられていても、ほとんどの日本人は首を突っ込もうとはしない。Even when someone is being bullied, most Japanese people won’t stick their noses into it.---首 [kubi]: the neck, the head 

首を突っ込む

[te-ni-ase-nigiru]:Literal translation: grip sweatMeaning: thrilling, white-knuckle ---汗 [ase]: sweat

手を焼く