French Phrase
Je l'ai fait en bossant efficacement.
Meaning
Literally, “I did it by working efficiently.” The speaker is emphasizing that the result was achieved through a methodical, productive effort rather than by chance or brute force.
When to use
Use this sentence when you want to explain how you completed a task, especially in a work or study context, and you want to highlight the efficiency of your approach.
✦Grammar Breakdown
Jel'aifaitenbossantefficacement
Subject pronoun (Je)
The first‑person singular pronoun used before a verb.
Elided direct object pronoun (l')
l' replaces le or la before a vowel sound; here it refers to something previously mentioned.
Passé composé (ai fait)
Auxiliary verb avoir + past participle; expresses a completed action in the past.
Preposition en + present participle
‘en’ + gerund (present participle) indicates the manner or means by which something is done.
Present participle (bossant)
Formed from the verb bosser (to work hard); used after ‘en’ to describe the way the action is performed.
Adverb (efficacement)
Modifies the verb phrase, indicating that the work was done efficiently.
🗨In Conversation
Comment as-tu réussi à finir le rapport si vite ?
How did you manage to finish the report so quickly?
Je l'ai fait en bossant efficacement.
I did it by working efficiently.
✕Common Mistakes
Je l'ai fait en bossé efficacement.
After ‘en’ you must use the present participle (bossant), not the past participle (bossé).
Je le ai fait en bossant efficacement.
The direct object pronoun must be elided before a vowel: l' au lieu de le.
Je l'ai fait en bossant efficace.
‘efficace’ is an adjective; you need the adverb ‘efficacement’ to modify the verb phrase.
↔Alternatives
Je l'ai accompli en travaillant efficacement.
I accomplished it by working efficiently.
Je l'ai réalisé en étant très efficace.
I achieved it by being very efficient.
Je l'ai terminé grâce à une bonne organisation.
I finished it thanks to good organization.
Cultural Tip
The verb *bosser* is informal slang for ‘to work hard’; it’s common among younger speakers and in casual conversation. In formal writing or a professional meeting, prefer *travailler* or *accomplir*. Also, the construction *en + present participle* is a concise way to express ‘by doing…’ and is widely used in spoken French.