用于: use in, use on, use for...
症状: symptom (of an illness)...
摩擦: friction, rubbing, chafing, disharmony, conflict, also written...
假定: to assume, to suppose, supposed, so-called, assumption, hypothesis...
慌: to get panicky, to lose one's head, (coll.) (after ) unbearably, terribly...
心态: attitude (of the heart), state of one's psyche, way of thinking, mentality...
之前: before, prior to, ago, previously, beforehand...
简洁: concise, succinct, pithy...
犹豫不决: hesitancy, indecision, to waver...
独家: exclusive...
