care 可不可以用一个字 翻译出来？

1. 看护;保护[U]
Is he in the doctor's care?
他有医生治疗护理吗?
2. 照料;管理;关怀[U]
The baby needs a lot of care.
这婴孩需要精心照料。
3. 忧虑,烦恼;心事[C][U]
He is now free from all care.
他如今无忧无虑。
4. 用心;努力[U]
Caroline began to devote more care to her work.
凯洛琳开始更加努力地工作了。
5. 小心,谨慎[U]
Fragile; handle with care!
易碎品,小心轻放!
6. 所关心之事[C]
The dog was the old man's major care.
这条狗是这位老人最操心的事。