to be involved in something too difficult to handle
自分では扱えないほど難しいことに関わっている (jibun de wa atsukaenai hodo muzukashii koto ni kakawatte iru)
"He’s in over his head with this complex project."
"彼はこの複雑なプロジェクトに手に負えなくなっている。" (kare wa kono fukuzatsu na purojekuto ni te ni oenaku natte iru)
a promise made without the intention to keep it
to become mentally unstable or extremely upset
In a situation that is unknown or unfamiliar.
to wish someone good luck in a performance
to increase one’s knowledge or experience
a sudden and significant progress
