play second fiddle (to sb/sth)
for the umpteenth time
first come, first served
a third wheel
third time lucky/third time's a charm
second nature
third degree
sixth sense
opportunity knocks but once
at the eleventh hour
being the third person in a group or situation where there are already two people who are romantically involved.
it happens again after having happened many times before – used when you are annoyed that it has happened so often.
we should take an opportunity (or chance) when it comes. According to this saying, it will not come again.
doing something at the last possible moment.
used to say that two efforts at something have already failed, but perhaps the third will be successful.
having a less important position than somebody/something else.
asking serious questions and/or giving somebody a rough treatment to get information from them.
something that becomes automatic or natural due to practice.
people will be dealt with or given sth in the order in which they arrive.
a special ability to know something without using any of the five senses that include sight, touch, hearing, smell, or taste.