The phrase "a four month term" is correct and usable in written English.
You can use it when referring to a specific duration of four months for a course, contract, or any other time-limited situation.
Example: "The course is structured as a four month term, allowing students to complete their studies in a timely manner."
Alternatives: "a four-month period" or "a four-month duration".
Sonny just finished a six month term in jail for robbing a supermarket.
In 2016, Laura joined the Obama Administration for a six month term as senior advisor to US Chief Technology Officer Megan Smith.
In July of last year, two months after his release from a six month term in juvenile detention, his life unexpectedly took a new direction.
They had been put in jail without charge and without trial, by military order, for a six month term, renewable at the discretion of a military judge, who did what the Shabak [Shin Bet security service] told him to do".
He recalls an English governess; the Russo-Japanese war; a delightful teacher; his father's three month term as a politcal prisoner; and his release.
The NDIP clinical dental examinations for grade 1 children were undertaken over a four month period spanning terms one and two of the academic year, while we separately carried out OHRQoL questionnaire data collection for this study in the third term.
He borrowed the remaining £1,200 from a loan shark, paying £450 in interest over the three month term.
At the completion of their six month term in Swaziland, the Walleigh's decided they wanted more.
Years later, in a separate case, Klein was convicted of tax fraud and served a two month prison term for failing to report income from sales of promotional records.
Just before the jobs report hit the Federal Reserve announced it will increase the size of its two March Term Auction Facilities to $50 billion each, from $20 billion.
However, this is a much less taxing discovery in a three month period than at your first long-term job.
