lifetime
noun
ˈlaɪftaɪm
noun
1
the
period
of
time
during
which
someone
is
alive
or
something
exists
一生，终生; 生存期;
during/in
sb’s
lifetime
During
her
lifetime
she
had
witnessed
two
world
wars.
她一生亲历了两次世界大战。
It’s
the
sort
of
opportunity
you
see
only
once
in
a
lifetime
.
这种机会你一辈子也只能碰到一次。
2
the chance/experience etc of a lifetime
2
the
best
opportunity,
experience
etc
that
you
will
ever
have
千载难逢 （终生难得 ）的机遇/经历等
It
was
the
holiday
of
a
lifetime.
这样的假期终生难得。
3
not in this lifetime
not
at
all
[口] 这辈子是不会了;
spoken
‘Would
you
go
out
with
him
after
he
dropped
you?’
‘Not
in
this
lifetime.’
“他甩了你之后你还会和他约会吗？”“这辈子是不会了。”