欣
=
斤
+
欠
:
It's Marie Curie's (xi) birthday and someone sings her happy (欣) birthday in front of the encampment ((e)n1). The person gives Marie Curie a barbell (斤) as her birthday present, which makes Marie very happy (欣). The person attached an IOU note (欠) to the barbell though; Marie will have to pay for the barbell eventually.
弗
=
刂
+
弓
:
Mnemonic symbol: a woven basket, because the interweaving strokes of 弗 remind me of a woven pattern.
弗
=
刂
+
弓
:
Just inside the space station's entrance Frieda Fox wants to shoot kitchen knifes at a woven basket with a composite bow, but since the knifes are too short, she's not really able to.