ទាក់ទង

Etymology
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Verb

 * 1) to be related (to), connected (with), concerned (with)
 * 2) to connect (with), relate (to)
 * 3) to contact, communicate (with)
 * 4) keep in touch (with), maintain relations (with)
 * 5) to affect

Preposition

 * 1) in relation to