to relax your vigilance or become less careful
警戒心を緩めるか、慎重さがなくなること (keikai-shin o yurumeru ka, shinchō-sa ga nakunaru koto)
"Never drop your guard when dealing with competitors."
"競争相手と接するときは、決して警戒心を緩めないでください。" (Kyōsō aite to sessuru toki wa, kesshite keikai-shin o yurumenaide kudasai.)
to keep something in reserve for later use
to reconsider something carefully before acting
to buy something at a low price; to make a bargain
to distribute something
a person who secretly controls or influences the leader
to reveal something secret unintentionally
