To rely on; to depend on; to count on someone or something (for help or support).
困ったときは友達に頼ることも必要だ。
When you're in trouble, it's sometimes necessary to rely on friends.
技術に頼りすぎるのは良くない。
Relying too much on technology is not good.
彼は収入のほとんどを親に頼っている。
He depends on his parents for most of his income.