window period (time between infection and the appearance of detectable antibodies) / period during which sth is lacking (boyfriend or girlfriend, work, revenue, production of a commodity etc) / lull / hiatus
空
=
工
+
穴
:
In front of the engine, Karl Koala found some very special cave paintings. Using steel beams he constructs a protective cover. He also installs air conditioning to make the best environment possible to preserve the cave paintings.
窗
=
囱
+
穴
:
Chantal Chicken (chu) finds that there is a new chimney (囱) in front if the anglepod (ang1). The chimney surprisingly has a window (窗), and as Chantal opens it she finds that there are cave paintings (穴) in the chimney.
期
=
其
+
月
:
Recently the Queen of Hearts (qi) has become an astronomer. In front of the space station (Ø1) she sits on top of a watchtower (其) and watches the moon (月). From the moon's movement around the tower she wants to calculate its period and phase (期). She didn't consider though that not only the moon is orbiting around her, she is also orbiting the moon.
a period of time / phase / stage / classifier for issues of a periodical, courses of study / time / term / period / to hope / Taiwan pr. [qi2]
期
=
其
+
月
:
Recently the Queen of Hearts (qi) has become an astronomer. In front of the space station (Ø1) she sits on top of a watchtower (其) and watches the moon (月). From the moon's movement around the tower she wants to calculate its period and phase (期). She didn't consider though that not only the moon is orbiting around her, she is also orbiting the moon.