固める， 堅める， かためる
1. to harden, to freeze, to strengthen, to solidify, to make (a fist), to tramp down (snow, dirt)
2. to put together, to collect, to gather, to consolidate
3. to make secure, to stabilize, to settle down, to strengthen (belief, resolution, etc.), to ...
变硬，冻结，增强，凝固，攥(拳)，踩实(雪、泥土)