在于 在於

    zàiyú

    1. Verb Formalto rest with; to lie in; to be due to (a certain attribute); to be determined by; to be up to (somebody) (of a matter)

    1.成功在于坚持和努力。Chénggōng zàiyú jiānchí hé nǔlì.Success lies in perseverance and effort.

    2.学好外语的关键在于多听多说。Xuéhǎo wàiyǔ de guānjiàn zàiyú duō tīng duō shuō.The key to mastering a foreign language lies in listening and speaking more.

    3.团队能否完成任务,关键在于领导者的决策能力。Tuánduì néngfǒu wánchéng rènwu, guānjiàn zàiyú lǐngdǎozhě de juécè nénglì.Whether the team can complete the task depends on the leader's decision-making ability.