知
=
口
+
矢
:
Mnemonic symbol: Francis Bacon is attributed to have stated "scientia potentia est", "knowledge is power". I'll thus represent 知 by Francis Bacon. Francis Bacon (知) and James II of England (zh) are playing darts (矢) in front of the space station (Ø1). Because they lack a dart board they just use a mandarin (口).
名
=
口
+
夕
:
Mnemonic symbol: a name badge (from 名牌).
Marilyn Monroe (mi) prepared a mandarin (口) for her bat (夕) in the engine's kitchen ((e)ng2) and put her little darling's name badge (名) in front of it.
人
=
丿
+
㇏
:
Mnemonic symbol: Neanderthal Man (人). Robinson Crusoe (r-) is looking for snacks in the encampment's kitchen (-en2) when he suddenly spots Neanderthal Man (人). Neanderthal Man offers him a banana (丿), but Robinson Crusoe doesn't trust the present and pokes it with a finger (㇏).
士
=
十
+
一
:
Sherlock Holmes (sh) is meeting the bachelor (士) in the bathroom of the space station (Ø4). Sherlock Holmes is playing a flute (一) for him, and the bachelor is wearing a huge cross (十) around his neck.