to keep your plans or intentions secret
保持你的计划或意图秘密 (bǎochí nǐ de jìhuà huò yìtú mìmì)
"She always keeps her cards close to her chest during negotiations."
"她在谈判中总是把自己的底牌藏得很紧。" (Tā zài tánpàn zhōng zǒng shì bǎ zìjǐ de dǐpái cáng dé hěn jǐn.)
to help someone with something
Don’t surrender; keep trying even in difficult circumstances...
to do something with great effort and passion
to do something without planning, using only instinct and ex...
to have the latest information or be fully informed
to adapt to changes or challenges easily