綿裡藏針

里 = 土 + 田 : Mnemonic symbol: a sunflower. The 田 part looks like the blossom and 土 looks like the stem and leaves. Li Qingzhao (li) wants to put up a field (田) inside (里) the space station's living room (Ø3). First she puts some earth (土) here and there, and then she plants lots of sunflowers (里).

藏 = 艹 + 臧 : Zorro (z) found some very nice and good (臧) artificial lawn (艹) in the Anchor Wat. In the bathroom (ang4), he secretly built a storehouse (藏) to hide the artificial lawn.

藏 = 艹 + 臧 : The King of Chu (c) got into a security inspection Just inside the anglepod's kitchen (ang2). He just got some very nice and good (臧) artificial lawn (艹) which would be taken away, so he tries to hide (藏) it in his beard.

藏 = 艹 + 臧 : Zorro (z) found some very nice and good (臧) artificial lawn (艹) in the Anchor Wat. In the bathroom (ang4), he secretly built a storehouse (藏) to hide the artificial lawn.

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.