针
=
十
+
钅
:
James II of England (zh) found a huge cross made from a bone and a flute (十) with a golden harpoon (钅) sticking in the bone in front of the encampment ((e)n1). He wants to find out where it came from, so he uses a needle (针) to draw bone marrow from the bone to analyze its DNA, and it turns out that it once belonged to a white whale.
十
=
一
+
丨
:
Mnemonic symbol: a holy cross. Sherlock Holmes (sh-) is investigating a very strange thing he found in the kitchen of the space station (-2): A big pyramid made of ten (十) crosses (十), which are in turn made out of flutes (一) and dinosaur bones (丨).
lit. a needle concealed in silk floss (idiom) / fig. ruthless character behind a gentle appearance / a wolf in sheep's clothing / an iron fist in a velvet glove