許多時，拿尖銳的一方對著別人，
回力來時，實連自己也給一併傷害。
回力來時，實連自己也給一併傷害。
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Most of the time, put the sharp side towards others,
will also hurt oneself while the force comes back.
will also hurt oneself while the force comes back.
(Idea from Chinese - Sharp 尖)
