a Western knife, table knife

be cut off, break, snap, burst, collapse / be cut, be injured, become fissured / break off, be interrupted / cut or sever connection with / run out, expire, terminate

be able to do, be able to finish

cannot completely... (because it's excessive)

Same as above.

letter opener, paper knife

utility knife; boxcutter

Yellowknife (a city in Canada)

to break, pause, cease; to be interrupted

be cut finely / be scattered into tiny bits / break off, snap off