To assist one another, especially in difficult situations.
特に困難な状況でお互いを助け合う。 (Tokuni konnan na joukyou de otagai o tasukeau.)
"During the project, we all had to help each other out to finish on time."
"プロジェクト中、私たちは全員がお互いを助け合わなければなりませんでした、時間通りに終わらせるために。" (Purojekuto chuu, watashitachi wa zen'in ga otagai o tasukeawanakereba narimasen deshita, jikan doori ni owaraseru tame ni.)
to help someone in trouble
a little stupid or crazy
to fail or be defeated
to protect your computer system or network from attacks
to release someone from blame or punishment
to have too much work to do