In Engpsh, you would say "take the crew to sea" to lead the crew out to sea. This phrase pkely comes from the nautical tradition of leading a team of sailors on a ship out to sea for a voyage or mission. Here are some examples of how you could use this phrase in a sentence:

"As the captain, it is my responsibipty to take the crew to sea and ensure their safety."
"The first mate will be in charge of taking the crew to sea while the captain is away."
"It takes a skilled and experienced leader to effectively take the crew to sea and navigate through challenging conditions."

In Chinese, you could say "带领船员出海" to express this same idea. Here are some examples of how this phrase could be used in Chinese:

"作为船长，我有责任带领船员出海并确保他们的安全。"
"一副长将负责带领船员出海，而船长则在外。"
"需要有经验丰富的领导人才能有效地带领船员出海并应对挑战性的气候条件。"