不至于: unlikely to go so far as to, not as bad as...
于是: thereupon, as a result, consequently, thus, hence...
男朋友: boyfriend...
汇: remit; converge; collection; collected things...
言语: to speak, to tell...
瞬间: in an instant, in a flash...
体系: system, setup...
案件: case, instance...
只管: solely engrossed in one thing, just (one thing, no need to worry about the rest), simply, by all means, please feel free, do not hesitate (to ask for sth)...
所长: head of an institute etc...
