watchful
adj
ˈwɒtʃfəl
adj
1
very
careful
to
notice
what
is
happening,
and
to
make
sure
that
everything
is
all
right
留心的; 警惕的，提防的
The
entrances
are
guarded
by
watchful
security
staff.
入口处由警惕的保安人员把守。
His
eyes
were
watchful
.
他的目光很警惕。
Keep
a
watchful
eye
on
elderly
residents.
请关注老年居民。
2
under sb’s watchful eye
following
someone’s
instructions
or
with
someone’s
help
在某人的指导 （帮助 ）下
Learn
the
basics
under
the
watchful
eye
of
a
qualified
instructor.
在合格教练的指导下学习基础知识。