* **sons of the day** - This is an expression for believers in christ. AT: "believers in Christ" or "people of the light". (See [[:en:ta:vol1:translate:figs_idiom]])
* **let us be sober** - "let us exercise self-control"
* **put on the breastplate of** - As a soldier would put on a breastplate to protect his body, a believer who lives by faith and love will find protection. AT: "protect ourselves with" (See: [[en:ta:vol1:translate:figs_metaphor]])
* **for a helmet** - As a helmet protects a soldier's head so does assurance of salvation protect the believer. AT: "and know" (See: [[en:ta:vol1:translate:figs_metaphor]])
* **but for the obtainment of salvation** - "but to receive salvation"