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を
1. indicates direct object of action
2. indicates subject of causative expression
3. indicates an area traversed
4. indicates time (period) over which action takes place
5. indicates point of departure or separation of action
6. indicates object of d...
表示动作的直接对象；表示经过的场所；表示离开或分开的点
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切り開く， 切り拓く， 切りひらく， きりひらく
1. to cut open
2. to clear (land), to cut (a path, road, etc.), to open, to cut one's way through (e.g. a jungle)
3. to carve out (a new career, future, etc.), to open up (a new field)
tbd