to work (for); to be employed (at); to serve (as); to act (as); to conduct a religious service
stipulation; prescription; provision; regulation; rule
route (bus, train, air, etc.); line; line (taken by a group, organization, etc.); policy; course
discord; (on) bad terms (with)
head; chief; merit; strong point; superiority; major
student preparing for or taking examinations (usu. entrance exams); test-taker
ostensible (surface) reason
staff; member (club, society, etc.)
dangerous; perilous; threatening; stern (expression); hostile (attitude); sharp
to make matters worse; besides; what's more; in addition; on top of that
advance; moving forward; progress
trouble; bother; trouble; difficulty; care; attention
to gain the understanding (of); to obtain consent (from)
have to (verb); must (verb); is indispensable; absolutely necessary
immediately; right away; at once; easily; readily