to join others in doing a task or helping
他の人と一緒に仕事をするまたは助ける (hoka no hito to issho ni shigoto o suru matawa tasukeru)
"Everyone pitched in to clean the park."
"みんなで公園を掃除した。" (minna de kōen o sōji shita)
to try as hard as you can
to organize oneself or one's actions effectively
to work extremely hard
A method of trying to gather personal information using dece...
to reveal a secret accidentally
to ignore a problem hoping it will go away