告急报告事情紧急并请求援助。例在战斗之前他过河去向总部告急。他被朋友告发了。申包胥如秦乞师曰：“……寡君失守社稷越在草莽，使下臣告急。”——《左传定公四年》英report an emergency; ask for emergency help;[查看详情]

风险危险；遭受损失、伤害、不利或毁灭的可能性。例担风险。英risk; hazard;[查看详情]

危殆危险；危急。例士卒尽则军危殆。——《韩非子解老》国其危殆。——《汉书刘向》生命危殆。英in great danger; in jeopardy; in a critical condition;[查看详情]

紧急需要立即行动不容拖延。例紧急行动。英urgent;[查看详情]

垂危接近死亡。例老人命已垂危。英fail;国家、民族临近危亡。英at one's last gasp;[查看详情]

危重病情极其严重、危险。例危重病人。英critically ill;[查看详情]

欠安婉辞指人身体不适。例老爷子身体一直欠安。英not very well in health;[查看详情]

惊险危险使人惊讶紧张。例惊险动作。英alarmingly dangerous;[查看详情]

紧张精神处于高度准备状态。例神情紧张。英nervous;激烈；紧迫。例紧张气氛。英tense;供应不充分难于应付。例货源紧张。英tight;[查看详情]

风紧风急。比喻风声不妙局势紧张。[查看详情]

凶险情势等危险可怕。英in a very dangerous state; critical; ominous;凶恶阴险。例凶险的敌人。英fierce and insidious; vicious and insidious;[查看详情]