If these drugs are stopped abruptly then some withdrawal symptoms may occur.如果突然停服这些药，则可能出现一些戒断症状。He was suffering from withdrawal symptoms.他正忍受着种种戒断症状之苦。If these drugs are stopped abruptly, then some withdrawal symptoms may occur.如果突然停服这些药，可能会出现一些戒断症状。