ganggu

Etymology
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Verb

 * 1) to disturb; to trouble; to bother
 * 2) to interfere with; to disrupt; to upset; to interrupt
 * 3) to annoy; to tease; to harass
 * 4) to affect; to impinge on; to harm; to hold up the line
 * 5) to jam a gun or a broadcast

Verb

 * 1)  to disturb; to bother