坎

kǎn = k + an3

pit / threshold / one of the Eight Trigrams 八卦[ba1 gua4], symbolizing water / ☵

坎

埳

kǎn = k + an3

old variant of 坎[kan3] / pit / hole

坎 character breakdown

坎
- 土
  - 一
  - 十
    - 一
    - 丨
- 欠
  - 人
    - 丿
    - ㇏
  - ⺈

土

tǔ = tu + Ø3

Tu (ethnic group) / surname Tu

土

tǔ = tu + Ø3

earth / dust / clay / local / indigenous / crude opium / unsophisticated / one of the eight categories of ancient musical instruments 八音[ba1 yin1]

土 = 十 + 一 : Tommy Turtle (tu) wants to fix a cross (十) on a flute (一) in the space station's living room (Ø3). He uses dust and clay (土) to hold them together.

欠

qiàn = qi + an4

to owe / to lack / (literary) to be deficient in / (bound form) yawn / to raise slightly (a part of one's body)

欠 = ⺈ + 人 : The Queen of Hearts (qi) is pretty annoyed by Neanderthal Man (人), who is quarreling with the crane (⺈) in the anthill's bathroom (an4). Neanderthal Man (人) owes the crane money, and the crane is waving with his IOU note (mnemonic symbol for 欠).