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気軽， きがる
1. carefree, buoyant, lighthearted, sprightly
2. ease
无忧无虑的、欢快的、轻松愉快的、活泼的；容易；舒适，自在
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いく， ゆく， 行く， 往く
1. to go, to move (towards), to head (towards), to leave (for)
2. to move through, to travel across, to walk along (e.g. a road)
3. to go (well, badly, etc.), to proceed, to turn out, to get along
4. to do (in a particular way), to go (with; a choice...
去，进行；穿过，走；做，试