一觸即發

The number one; single; a; as soon as; entire; whole; all; a "one" radical in Chinese characters; also used for clarity when spelling out numbers.

to touch; to bump into; to provoke or offend; to stir emotions; to gore with horns gore or tusks

namely; that is; i.e.; to approach; to come into contact; to assume office; at once; immediately; at present; even if

To send out or issue; to develop or grow; to start or begin; to inspire or enlighten; to make a profit.