a verse (e.g. in the Bible); stanza; paragraph; passage; a joint; section
(unlikely event of) emergency; the worst(-case scenario); (lit.) 10000 to 1; (if) by some chance; by some possibility; in the unlikely event that
challenging; defiant; provocative; aggressive
lonely; lonesome; solitary; desolate
difficult to ...; hard to ...
dissenting opinion; opposite viewpoint; contraview
discussion; debate; argument
to the end; to the bitter end; to the last; after all; it must be remembered; only
to mind; to care; to worry
to change; to alter; to reform; to correct; to examine; to check
one's pupil; one's student; one's follower