胸有成竹用英文怎么表达?

胸有成竹用英文有以下几种表达方式：
to have a well-thought-out plan, stratagem, etc.
to have a ready plan in mind
to have a card up one's sleeve
to have a plan up one's sleeve

have a card up one's sleevehave
have a well-thought-out plan

have a card up one's sleevehave
have a well-thought-out plan

Confident 或则Sure

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