A crack is hardly avoidable的用法和样例：
- There is a crack in this window.
- He is hardly capable of executing such a difficult task.
- It is hardly conceivable (to me) that she should do such a thing.
- The second crack is a crack originating at the groove weld toe of the column flange-girder flange connection.
- Such a trifling thing is hardly worth mentioning.