争
=
⺈
+
肀
:
Mnemonic symbol: The grim reaper, as 争 is often used in words involving war (...战争). In front of the engine ((e)ng1), the grim reaper (争) marks his next victims in passing. With a crayon (肀) he draws big "X"s on the crane (⺈) and James II of England (zh).
讼
=
公
+
讠
:
Susan Saint Bernard (su) set up a large advertising column (讠) to warn about her web in the engine's bathroom ((e)ng4), but still a bus (公) got stuck inside and a lawsuit (讼) ensued.