Quando imagoi est huiusj in mek, certum est [prok hominemj eludere].
when appearance-F-S-NOM be-3-S this-M-S-GEN in I-S-ABL decide-PPP-N-S-NOM be-3-S human-M-S-ACC trick-INFIN
When I look like him [lit.`his appearance is on me'], I'm sure to trick him.